Abstract
Effective transfer numbers through homogeneous membranes MK-100 and polyethylene diamine-modified membranes MK-100M are measured. A mathematical model for the membranes is considered. The presence of a modified surface is accounted for by introducing phenomenological conductivity coefficients. The effect of the solution composition, overall concentration, and current density on competitive transfer is analyzed. The modified layer has a pronounced effect on the membrane specific selectivity at low current densities and only slightly affects it in a limiting state.
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Zabolotskii, V.I., Lebedev, K.A. & Orel, I.V. Specific Selectivity of Modified Ion-Exchange Membranes. Russian Journal of Electrochemistry 39, 1130–1133 (2003). https://doi.org/10.1023/A:1026187823767
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DOI: https://doi.org/10.1023/A:1026187823767